|
1.
654 – 617 =
37
4
2
3
|
2.
505 + 74 =
579
2
4
3
|
3.
646 + 1 =
4
647
3
2
|
4.
804 – 680 =
124
2
4
3
|
|
5.
34 + 301 =
335
2
3
4
|
6.
317 – 295 =
22
4
2
3
|
7.
466 + 135 =
4
601
3
2
|
8.
459 + 467 =
2
3
4
926
|
|
9.
387 + 394 =
3
4
781
2
|
10.
557 + 222 =
3
779
4
2
|
11.
193 – 173 =
4
3
2
20
|
12.
226 – 85 =
141
3
4
2
|
|
13.
428 – 391 =
37
4
3
2
|
14.
903 – 432 =
4
471
3
2
|
15.
502 – 51 =
4
451
2
3
|
16.
929 – 150 =
779
4
2
3
|
|
17.
909 + 72 =
3
4
2
981
|
18.
446 + 345 =
4
2
3
791
|
19.
645 + 29 =
4
674
3
2
|
20.
908 – 672 =
2
3
236
4
|
|
1.
654 – 617 =
37
4
2
3
|
2.
505 + 74 =
579
2
4
3
|
3.
646 + 1 =
4
647
3
2
|
4.
804 – 680 =
124
2
4
3
|
|
5.
34 + 301 =
335
2
3
4
|
6.
317 – 295 =
22
4
2
3
|
7.
466 + 135 =
4
601
3
2
|
8.
459 + 467 =
2
3
4
926
|
|
9.
387 + 394 =
3
4
781
2
|
10.
557 + 222 =
3
779
4
2
|
11.
193 – 173 =
4
3
2
20
|
12.
226 – 85 =
141
3
4
2
|
|
13.
428 – 391 =
37
4
3
2
|
14.
903 – 432 =
4
471
3
2
|
15.
502 – 51 =
4
451
2
3
|
16.
929 – 150 =
779
4
2
3
|
|
17.
909 + 72 =
3
4
2
981
|
18.
446 + 345 =
4
2
3
791
|
19.
645 + 29 =
4
674
3
2
|
20.
908 – 672 =
2
3
236
4
|